Pass multiple parameters in API slot tracker

Getting Started with Rasa Rasa Masterclass
1

Hi May I know how to pass multiple parameter in rasa slot. this is my code. i can only pass 1 paramater.

class ActionTicket(Action): def name(self): return “action_ticket”

def run(self, dispatcher, tracker, domain):
    state = tracker.get_slot('state')
    location= tracker.get_slot('location')
    complete_url = "https://myapi.com.ph/ticket&param={state&&&location}."

 
    response = requests.get(complete_url)

    data = response.json()
    
   
    ticketNumber = data['ticketNumber'] 

   
    ticket_data = "Ticket update \n Ticket Number: {} ".format(ticketNumber)
    dispatcher.utter_message(ticket_data)
    
    return [SlotSet("state","location",state,location)]